import sys
import os

# Scrapy settings for ArticleSpider project
#
# For simplicity, this file contains only settings considered important or
# commonly used. You can find more settings consulting the documentation:
#
#     https://docs.scrapy.org/en/latest/topics/settings.html
#     https://docs.scrapy.org/en/latest/topics/downloader-middleware.html
#     https://docs.scrapy.org/en/latest/topics/spider-middleware.html

BOT_NAME = 'ArticleSpider'

SPIDER_MODULES = ['ArticleSpider.spiders']
NEWSPIDER_MODULE = 'ArticleSpider.spiders'

# Crawl responsibly by identifying yourself (and your website) on the user-agent
# USER_AGENT = 'ArticleSpider (+http://www.yourdomain.com)'

# Obey robots.txt rules
ROBOTSTXT_OBEY = False

# Configure maximum concurrent requests performed by Scrapy (default: 16)
# CONCURRENT_REQUESTS = 32

# Configure a delay for requests for the same website (default: 0)
# See https://docs.scrapy.org/en/latest/topics/settings.html#download-delay
# See also autothrottle settings and docs
# DOWNLOAD_DELAY = 3
# The download delay setting will honor only one of:
# CONCURRENT_REQUESTS_PER_DOMAIN = 16
# CONCURRENT_REQUESTS_PER_IP = 16

# Disable cookies (enabled by default)
# COOKIES_ENABLED = False

# Disable Telnet Console (enabled by default)
# TELNETCONSOLE_ENABLED = False

# Override the default request headers:
# DEFAULT_REQUEST_HEADERS = {
#   'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
#   'Accept-Language': 'en',
# }

# Enable or disable spider middlewares
# See https://docs.scrapy.org/en/latest/topics/spider-middleware.html
# SPIDER_MIDDLEWARES = {
#    'ArticleSpider.middlewares.ArticlespiderSpiderMiddleware': 543,
# }

# Enable or disable downloader middlewares
# See https://docs.scrapy.org/en/latest/topics/downloader-middleware.html
# DOWNLOADER_MIDDLEWARES = {
#    'ArticleSpider.middlewares.ArticlespiderDownloaderMiddleware': 543,
# }

# Enable or disable extensions
# See https://docs.scrapy.org/en/latest/topics/extensions.html
# EXTENSIONS = {
#    'scrapy.extensions.telnet.TelnetConsole': None,
# }

# Configure item pipelines
# See https://docs.scrapy.org/en/latest/topics/item-pipeline.html
ITEM_PIPELINES = {
    'ArticleSpider.pipelines.ArticlespiderPipeline': 300,
    # 自动处理下载图片文件：优先级
    # "scrapy.pipelines.images.ImagesPipeline": 1
    # 自定义下载图片文件处理
    "ArticleSpider.pipelines.ArticleImageHandlePipeline": 1,
    # 自定义处理保存item信息到磁盘文件中
    "ArticleSpider.pipelines.JsonWithEncodingPipeline": 2,
    # spider自带的文件导出处理
    "ArticleSpider.pipelines.JsonExporterPipeline": 3,
    # 保存item到数据库处理
    # "ArticleSpider.pipelines.MysqlSavePipeline": 4
    # 异步保存item到数据库处理
    "ArticleSpider.pipelines.MysqlTwistedPipeline": 4

}
# ITEM_PIPELINES = {"scrapy.pipelines.images.ImagesPipeline": 1}


# print(os.path.dirname(os.path.abspath(__file__)))

# 获取以当前文件下等项目绝对路径
project_dir = os.path.dirname(os.path.abspath(__file__))
# 文件下载路径
IMAGES_STORE = os.path.join(project_dir, "images")
# 指明要处理等item中图片url字段
IMAGES_URLS_FIELD = "front_image_url"

# Enable and configure the AutoThrottle extension (disabled by default)
# See https://docs.scrapy.org/en/latest/topics/autothrottle.html
# AUTOTHROTTLE_ENABLED = True
# The initial download delay
# AUTOTHROTTLE_START_DELAY = 5
# The maximum download delay to be set in case of high latencies
# AUTOTHROTTLE_MAX_DELAY = 60
# The average number of requests Scrapy should be sending in parallel to
# each remote server
# AUTOTHROTTLE_TARGET_CONCURRENCY = 1.0
# Enable showing throttling stats for every response received:
# AUTOTHROTTLE_DEBUG = False

# Enable and configure HTTP caching (disabled by default)
# See https://docs.scrapy.org/en/latest/topics/downloader-middleware.html#httpcache-middleware-settings
# HTTPCACHE_ENABLED = True
# HTTPCACHE_EXPIRATION_SECS = 0
# HTTPCACHE_DIR = 'httpcache'
# HTTPCACHE_IGNORE_HTTP_CODES = []
# HTTPCACHE_STORAGE = 'scrapy.extensions.httpcache.FilesystemCacheStorage'


MYSQL_HOST = "10.211.55.100"
MYSQL_DBNAME = "article_spider"
MYSQL_USER = "root"
MYSQL_PASSWORD = "Gzx0813."

ZHIHU_USER_NAME = "18438548185"
ZHIHU_USER_PASSWORD = "gzx0813.bfg"
